Rotating speed adjusting mechanism for feeding roller of paper bag machine

Abstract

The utility model discloses a feeding roller rotating speed adjusting mechanism of a paper bag machine, which comprises a machine frame, a feeding roller is rotatably arranged on the machine frame, and a driving motor used for driving the feeding roller to rotate is arranged on one side of the machine frame. A tension sensing assembly is arranged between the feeding roller and the traction roller and comprises a supporting roller and a tension sensor, the supporting roller is used for supporting paper, and the tension sensor is arranged above the supporting roller. Paper conveyed to one end of the traction roller by the feeding roller penetrates through the position between the supporting roller and the tension sensor, and the tension sensor can sense the tension of the paper between the feeding roller and the traction roller. When the tension sensor senses that the tension is too large or too small, the control system can automatically change the rotating speed of the driving motor, so that the rotating speed of the feeding roller is equivalent to that of the traction roller, the tension of paper is changed, and the paper is convenient to convey; the rotating speed of the feeding roller can be automatically adjusted, the rotating speed of the driving motor does not need to be manually adjusted after shutdown, and the production efficiency of paper bags is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of paper bag production equipment, and more specifically, to a feeding roller speed regulating mechanism of a paper bag machine. Background Art

[0002] Paper bags are non-toxic, odorless, and pollution-free, meeting national environmental protection requirements. They are strong and environmentally friendly, making them one of the most popular environmentally friendly packaging materials internationally. Shopping malls, shoe stores, clothing stores, and other shopping venues generally offer paper bags to facilitate customers carrying their purchases. Furthermore, paper bags can be used as file bags, envelopes, and other office supplies, making them widely used.

[0003] Paper bags are generally produced by folding, cutting, pasting, and attaching handles to rolled paper. During the paper bag processing process, the paper used to produce paper bags needs to be transferred at each station of the paper bag machine, and is generally transported by feed rollers and traction rollers. However, due to the inconsistent speed of the feed roller and the traction roller, the tension between the feed roller and the traction roller is often too large, resulting in the paper being pulled forward by the traction roller; or the tension is too small, resulting in the paper between the feed roller and the traction roller being too loose, and it cannot be fed forward normally. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention aims to provide a feed roller speed adjustment mechanism for a paper bag making machine.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A feed roller speed adjustment mechanism for a paper bag machine comprises a frame on which a feed roller is rotatably mounted, and a drive motor for driving the feed roller to rotate is mounted on one side of the frame; a tension sensing assembly is provided between the feed roller and a traction roller, the tension sensing assembly comprising a support roller for supporting paper and a tension sensor, the tension sensor being positioned above the support roller;

[0007] The paper transported by the feeding roller to one end of the traction roller passes between the support roller and the tension sensor, and the tension sensor senses the tension of the paper between the feeding roller and the traction roller.

[0008] The utility model is further configured as follows: a mounting bracket for mounting a tension sensor is provided on the frame, and the tension sensor can slide along the left and right ends of the mounting bracket.

[0009] The utility model is further provided with: the tension sensor is installed on the mounting bracket through a mounting assembly, the mounting assembly includes a mounting block and an angle adjustment member slidably arranged on the mounting bracket, one end of the angle adjustment member is hinged to the mounting block, and the other end is hinged to the tension sensor.

[0010] The utility model is further configured as follows: a driven gear is connected to one end of the feed roller, a driving gear is connected to the output shaft of the drive motor, and the driving gear and the driven gear are linked via a plurality of linkage gears.

[0011] The beneficial effects of the utility model are as follows: the driving motor on the frame drives the feed roller to convey the paper to the traction roller, and the paper passes between the support roller and the tension sensor, and the tension sensor will abut against the upper surface of the paper and sense the tension of the paper between the feed roller and the traction roller; when the tension sensor senses that the tension is too large, the rotation speed of the feed roller is less than the rotation speed of the traction roller, and the control system for controlling the rotation speed of the driving motor will automatically increase the rotation speed of the driving motor so that the rotation speed of the feed roller is equivalent to the rotation speed of the traction roller to reduce the tension of the paper; when the tension sensor senses that the tension is too small, the rotation speed of the feed roller is greater than the rotation speed of the traction roller, and the control system for controlling the rotation speed of the driving motor will automatically reduce the rotation speed of the driving motor so that the rotation speed of the feed roller is equivalent to the rotation speed of the traction roller to increase the tension of the paper and make the paper between the feed roller and the traction roller in a taut state to facilitate the conveying of the paper; the automatic adjustment function of the rotation speed of the feed roller is realized, and there is no need to stop the machine to manually adjust the rotation speed of the drive motor, thereby ensuring that the production efficiency of paper bags is not affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an application diagram of a feed roller speed adjustment mechanism for a paper bag machine according to the present utility model;

[0013] Figure 2 This is a diagram showing the coordination between the feed roller speed adjustment mechanism and the paper of a paper bag machine of the present invention;

[0014] Figure 3 This is an installation diagram of a tension sensor of a feed roller speed adjustment mechanism of a paper bag machine according to the present invention;

[0015] Explanation of the accompanying drawings: 1. Frame; 11. Mounting bracket; 2. Feed roller; 21. Driven gear; 3. Driving motor; 31. Driving gear; 4. Traction roller; 5. Tension sensing assembly; 51. Support roller; 52. Tension sensor; 53. Mounting assembly; 531. Mounting block; 532. Angle adjustment member; 6. Linkage gear; 7. Paper. DETAILED DESCRIPTION

[0016] Refer to the attached Figures 1 to 3The feeding roller speed regulating mechanism of the paper bag machine of the utility model is further described in detail.

[0017] A feed roller speed adjustment mechanism for a paper bag machine includes a frame 1, on which a feed roller 2 is rotatably mounted. A drive motor 3 for driving the feed roller 2 is mounted on one side of the frame 1. A tension sensing assembly 5 is provided between the feed roller 2 and a traction roller 4. The tension sensing assembly 5 includes a support roller 51 for supporting paper 7 and a tension sensor 52. The support roller 51 is rotatably mounted on the frame 1, and the tension sensor 52 is positioned above the support roller 51.

[0018] The paper 7 transported by the feed roller 2 to one end of the traction roller 4 passes between the support roller 51 and the tension sensor 52. The tension sensor 52 senses the tension of the paper 7 between the feed roller 2 and the traction roller 4. The tension sensor 52 abuts against the upper surface of the paper 7 and senses the tension of the paper 7 between the feed roller 2 and the traction roller 4. When the tension sensor 52 senses that the tension is too large, the rotation speed of the feed roller 2 is less than the rotation speed of the traction roller 4, and the control system for controlling the rotation speed of the drive motor 3 (which is the existing technology) automatically increases the rotation speed of the drive motor 3, so that the feed roller 2 is equal to the rotation speed of the traction roller 4 to reduce the tension of the paper 7; when the tension sensor 52 senses that the tension is too low, the rotation speed of the feed roller 2 is greater than the rotation speed of the traction roller 4, and the control system for controlling the rotation speed of the drive motor 3 will automatically reduce the rotation speed of the drive motor 3, so that the rotation speed of the feed roller 2 is equal to that of the traction roller 4, so as to increase the tension of the paper 7 and keep the paper 7 in a taut state between the feed roller 2 and the traction roller 4 to facilitate the transportation of the paper 7; the automatic adjustment function of the rotation speed of the feed roller 2 is realized, and there is no need to stop the machine to manually adjust the rotation speed of the drive motor 3, thereby ensuring that the production efficiency of the paper bag is not affected.

[0019] The frame 1 is provided with a mounting bracket 11 for mounting a tension sensor 52. The tension sensor 52 can slide along the left and right ends of the mounting bracket 11. The tension sensor 52 can be slid to a suitable position according to the width of the paper 7, making it more applicable.

[0020] The tension sensor 52 is mounted on the mounting bracket 11 via a mounting assembly 53. The mounting assembly 53 includes a mounting block 531 slidably mounted on the mounting bracket 11 and an angle adjustment member 532. When the tension sensor 52 is adjusted to a suitable position, the mounting block 531 is tightened with a set screw to secure it to the mounting bracket 11.

[0021] One end of the angle adjustment member 532 is hinged to the mounting block 531, and the other end is hinged to the tension sensor 52; the tension sensor 52 can be adjusted to a suitable position by simply rotating the angle adjustment member 532, and the angle adjustment operation is convenient; then, the tension sensor 52 is fixed at a suitable angle by tightening the screws, thereby improving the structural stability.

[0022] A driven gear 21 is connected to one end of the feed roller 2, and a driving gear 31 is connected to the output shaft of the drive motor 3. The driving gear 31 and the driven gear 21 are linked via a plurality of linkage gears 6; that is, the driving gear 31 of the drive motor 3 drives the driven gear 21 to rotate the feed roller 2 via the linkage gear 6, so that the transmission is smoother.

[0023] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A feed roller speed adjustment mechanism for a paper bag making machine, comprising a frame on which a feed roller is rotatably mounted, and a drive motor for driving the feed roller to rotate mounted on one side of the frame; wherein: A tension sensing assembly is provided between the feeding roller and the traction roller, and the tension sensing assembly includes a supporting roller for supporting the paper and a tension sensor, and the tension sensor is placed above the supporting roller; The paper transported by the feeding roller to one end of the traction roller passes between the support roller and the tension sensor, and the tension sensor senses the tension of the paper between the feeding roller and the traction roller.

2. The feed roller speed adjustment mechanism of a paper bag machine according to claim 1, characterized in that: The frame is provided with a mounting bracket for mounting a tension sensor, and the tension sensor can slide along the left and right ends of the mounting bracket.

3. The feed roller speed adjustment mechanism of a paper bag machine according to claim 2, characterized in that: The tension sensor is installed on the mounting bracket through a mounting assembly. The mounting assembly includes a mounting block and an angle adjustment member slidably arranged on the mounting bracket. One end of the angle adjustment member is hinged to the mounting block, and the other end is hinged to the tension sensor.

4. The feed roller speed adjustment mechanism for a paper bag machine according to claim 1, 2 or 3, characterized in that: One end of the feeding roller is connected to a driven gear, the output shaft of the driving motor is connected to a driving gear, and the driving gear and the driven gear are linked via a plurality of linkage gears.

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